mirror of
https://github.com/golang/go
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566a87c16b
Updates #45448 Change-Id: I2e79ae6b9cf43a481aa703578712619ea344e421 Reviewed-on: https://go-review.googlesource.com/c/go/+/310212 Trust: Damien Neil <dneil@google.com> Run-TryBot: Damien Neil <dneil@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
345 lines
9.8 KiB
Go
345 lines
9.8 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package time_test
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import (
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"errors"
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"fmt"
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"os"
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"reflect"
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"testing"
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"time"
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)
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func init() {
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if time.ZoneinfoForTesting() != nil {
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panic(fmt.Errorf("zoneinfo initialized before first LoadLocation"))
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}
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}
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func TestEnvVarUsage(t *testing.T) {
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time.ResetZoneinfoForTesting()
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const testZoneinfo = "foo.zip"
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const env = "ZONEINFO"
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t.Setenv(env, testZoneinfo)
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// Result isn't important, we're testing the side effect of this command
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time.LoadLocation("Asia/Jerusalem")
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defer time.ResetZoneinfoForTesting()
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if zoneinfo := time.ZoneinfoForTesting(); testZoneinfo != *zoneinfo {
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t.Errorf("zoneinfo does not match env variable: got %q want %q", *zoneinfo, testZoneinfo)
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}
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}
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func TestBadLocationErrMsg(t *testing.T) {
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time.ResetZoneinfoForTesting()
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loc := "Asia/SomethingNotExist"
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want := errors.New("unknown time zone " + loc)
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_, err := time.LoadLocation(loc)
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if err.Error() != want.Error() {
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t.Errorf("LoadLocation(%q) error = %v; want %v", loc, err, want)
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}
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}
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func TestLoadLocationValidatesNames(t *testing.T) {
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time.ResetZoneinfoForTesting()
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const env = "ZONEINFO"
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t.Setenv(env, "")
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bad := []string{
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"/usr/foo/Foo",
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"\\UNC\foo",
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"..",
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"a..",
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}
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for _, v := range bad {
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_, err := time.LoadLocation(v)
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if err != time.ErrLocation {
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t.Errorf("LoadLocation(%q) error = %v; want ErrLocation", v, err)
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}
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}
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}
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func TestVersion3(t *testing.T) {
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time.ForceZipFileForTesting(true)
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defer time.ForceZipFileForTesting(false)
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_, err := time.LoadLocation("Asia/Jerusalem")
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if err != nil {
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t.Fatal(err)
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}
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}
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// Test that we get the correct results for times before the first
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// transition time. To do this we explicitly check early dates in a
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// couple of specific timezones.
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func TestFirstZone(t *testing.T) {
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time.ForceZipFileForTesting(true)
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defer time.ForceZipFileForTesting(false)
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const format = "Mon, 02 Jan 2006 15:04:05 -0700 (MST)"
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var tests = []struct {
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zone string
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unix int64
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want1 string
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want2 string
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}{
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{
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"PST8PDT",
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-1633269601,
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"Sun, 31 Mar 1918 01:59:59 -0800 (PST)",
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"Sun, 31 Mar 1918 03:00:00 -0700 (PDT)",
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},
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{
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"Pacific/Fakaofo",
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1325242799,
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"Thu, 29 Dec 2011 23:59:59 -1100 (-11)",
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"Sat, 31 Dec 2011 00:00:00 +1300 (+13)",
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},
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}
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for _, test := range tests {
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z, err := time.LoadLocation(test.zone)
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if err != nil {
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t.Fatal(err)
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}
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s := time.Unix(test.unix, 0).In(z).Format(format)
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if s != test.want1 {
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t.Errorf("for %s %d got %q want %q", test.zone, test.unix, s, test.want1)
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}
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s = time.Unix(test.unix+1, 0).In(z).Format(format)
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if s != test.want2 {
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t.Errorf("for %s %d got %q want %q", test.zone, test.unix, s, test.want2)
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}
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}
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}
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func TestLocationNames(t *testing.T) {
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if time.Local.String() != "Local" {
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t.Errorf(`invalid Local location name: got %q want "Local"`, time.Local)
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}
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if time.UTC.String() != "UTC" {
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t.Errorf(`invalid UTC location name: got %q want "UTC"`, time.UTC)
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}
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}
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func TestLoadLocationFromTZData(t *testing.T) {
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time.ForceZipFileForTesting(true)
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defer time.ForceZipFileForTesting(false)
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const locationName = "Asia/Jerusalem"
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reference, err := time.LoadLocation(locationName)
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if err != nil {
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t.Fatal(err)
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}
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tzinfo, err := time.LoadTzinfo(locationName, time.OrigZoneSources[len(time.OrigZoneSources)-1])
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if err != nil {
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t.Fatal(err)
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}
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sample, err := time.LoadLocationFromTZData(locationName, tzinfo)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(reference, sample) {
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t.Errorf("return values of LoadLocationFromTZData and LoadLocation don't match")
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}
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}
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// Issue 30099.
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func TestEarlyLocation(t *testing.T) {
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time.ForceZipFileForTesting(true)
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defer time.ForceZipFileForTesting(false)
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const locName = "America/New_York"
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loc, err := time.LoadLocation(locName)
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if err != nil {
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t.Fatal(err)
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}
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d := time.Date(1900, time.January, 1, 0, 0, 0, 0, loc)
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tzName, tzOffset := d.Zone()
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if want := "EST"; tzName != want {
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t.Errorf("Zone name == %s, want %s", tzName, want)
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}
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if want := -18000; tzOffset != want {
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t.Errorf("Zone offset == %d, want %d", tzOffset, want)
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}
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}
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func TestMalformedTZData(t *testing.T) {
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// The goal here is just that malformed tzdata results in an error, not a panic.
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issue29437 := "TZif\x00000000000000000\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0000"
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_, err := time.LoadLocationFromTZData("abc", []byte(issue29437))
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if err == nil {
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t.Error("expected error, got none")
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}
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}
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var slimTests = []struct {
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zoneName string
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fileName string
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date func(*time.Location) time.Time
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wantName string
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wantOffset int
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}{
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{
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// 2020b slim tzdata for Europe/Berlin.
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zoneName: "Europe/Berlin",
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fileName: "2020b_Europe_Berlin",
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date: func(loc *time.Location) time.Time { return time.Date(2020, time.October, 29, 15, 30, 0, 0, loc) },
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wantName: "CET",
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wantOffset: 3600,
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},
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{
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// 2021a slim tzdata for America/Nuuk.
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zoneName: "America/Nuuk",
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fileName: "2021a_America_Nuuk",
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date: func(loc *time.Location) time.Time { return time.Date(2020, time.October, 29, 15, 30, 0, 0, loc) },
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wantName: "-03",
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wantOffset: -10800,
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},
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{
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// 2021a slim tzdata for Asia/Gaza.
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zoneName: "Asia/Gaza",
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fileName: "2021a_Asia_Gaza",
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date: func(loc *time.Location) time.Time { return time.Date(2020, time.October, 29, 15, 30, 0, 0, loc) },
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wantName: "EET",
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wantOffset: 7200,
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},
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{
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// 2021a slim tzdata for Europe/Dublin.
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zoneName: "Europe/Dublin",
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fileName: "2021a_Europe_Dublin",
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date: func(loc *time.Location) time.Time { return time.Date(2021, time.April, 2, 11, 12, 13, 0, loc) },
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wantName: "IST",
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wantOffset: 3600,
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},
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}
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func TestLoadLocationFromTZDataSlim(t *testing.T) {
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for _, test := range slimTests {
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tzData, err := os.ReadFile("testdata/" + test.fileName)
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if err != nil {
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t.Error(err)
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continue
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}
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reference, err := time.LoadLocationFromTZData(test.zoneName, tzData)
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if err != nil {
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t.Error(err)
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continue
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}
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d := test.date(reference)
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tzName, tzOffset := d.Zone()
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if tzName != test.wantName {
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t.Errorf("Zone name == %s, want %s", tzName, test.wantName)
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}
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if tzOffset != test.wantOffset {
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t.Errorf("Zone offset == %d, want %d", tzOffset, test.wantOffset)
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}
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}
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}
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func TestTzset(t *testing.T) {
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for _, test := range []struct {
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inStr string
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inEnd int64
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inSec int64
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name string
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off int
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start int64
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end int64
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isDST bool
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ok bool
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}{
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{"", 0, 0, "", 0, 0, 0, false, false},
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{"PST8PDT,M3.2.0,M11.1.0", 0, 2159200800, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true},
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{"PST8PDT,M3.2.0,M11.1.0", 0, 2152173599, "PST", -8 * 60 * 60, 2145916800, 2152173600, false, true},
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{"PST8PDT,M3.2.0,M11.1.0", 0, 2152173600, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true},
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{"PST8PDT,M3.2.0,M11.1.0", 0, 2152173601, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true},
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{"PST8PDT,M3.2.0,M11.1.0", 0, 2172733199, "PDT", -7 * 60 * 60, 2152173600, 2172733200, true, true},
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{"PST8PDT,M3.2.0,M11.1.0", 0, 2172733200, "PST", -8 * 60 * 60, 2172733200, 2177452800, false, true},
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{"PST8PDT,M3.2.0,M11.1.0", 0, 2172733201, "PST", -8 * 60 * 60, 2172733200, 2177452800, false, true},
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} {
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name, off, start, end, isDST, ok := time.Tzset(test.inStr, test.inEnd, test.inSec)
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if name != test.name || off != test.off || start != test.start || end != test.end || isDST != test.isDST || ok != test.ok {
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t.Errorf("tzset(%q, %d, %d) = %q, %d, %d, %d, %t, %t, want %q, %d, %d, %d, %t, %t", test.inStr, test.inEnd, test.inSec, name, off, start, end, isDST, ok, test.name, test.off, test.start, test.end, test.isDST, test.ok)
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}
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}
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}
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func TestTzsetName(t *testing.T) {
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for _, test := range []struct {
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in string
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name string
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out string
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ok bool
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}{
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{"", "", "", false},
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{"X", "", "", false},
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{"PST", "PST", "", true},
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{"PST8PDT", "PST", "8PDT", true},
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{"PST-08", "PST", "-08", true},
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{"<A+B>+08", "A+B", "+08", true},
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} {
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name, out, ok := time.TzsetName(test.in)
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if name != test.name || out != test.out || ok != test.ok {
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t.Errorf("tzsetName(%q) = %q, %q, %t, want %q, %q, %t", test.in, name, out, ok, test.name, test.out, test.ok)
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}
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}
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}
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func TestTzsetOffset(t *testing.T) {
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for _, test := range []struct {
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in string
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off int
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out string
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ok bool
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}{
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{"", 0, "", false},
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{"X", 0, "", false},
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{"+", 0, "", false},
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{"+08", 8 * 60 * 60, "", true},
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{"-01:02:03", -1*60*60 - 2*60 - 3, "", true},
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{"01", 1 * 60 * 60, "", true},
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{"100", 100 * 60 * 60, "", true},
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{"1000", 0, "", false},
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{"8PDT", 8 * 60 * 60, "PDT", true},
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} {
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off, out, ok := time.TzsetOffset(test.in)
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if off != test.off || out != test.out || ok != test.ok {
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t.Errorf("tzsetName(%q) = %d, %q, %t, want %d, %q, %t", test.in, off, out, ok, test.off, test.out, test.ok)
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}
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}
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}
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func TestTzsetRule(t *testing.T) {
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for _, test := range []struct {
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in string
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r time.Rule
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out string
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ok bool
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}{
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{"", time.Rule{}, "", false},
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{"X", time.Rule{}, "", false},
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{"J10", time.Rule{Kind: time.RuleJulian, Day: 10, Time: 2 * 60 * 60}, "", true},
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{"20", time.Rule{Kind: time.RuleDOY, Day: 20, Time: 2 * 60 * 60}, "", true},
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{"M1.2.3", time.Rule{Kind: time.RuleMonthWeekDay, Mon: 1, Week: 2, Day: 3, Time: 2 * 60 * 60}, "", true},
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{"30/03:00:00", time.Rule{Kind: time.RuleDOY, Day: 30, Time: 3 * 60 * 60}, "", true},
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{"M4.5.6/03:00:00", time.Rule{Kind: time.RuleMonthWeekDay, Mon: 4, Week: 5, Day: 6, Time: 3 * 60 * 60}, "", true},
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{"M4.5.7/03:00:00", time.Rule{}, "", false},
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{"M4.5.6/-04", time.Rule{Kind: time.RuleMonthWeekDay, Mon: 4, Week: 5, Day: 6, Time: -4 * 60 * 60}, "", true},
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} {
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r, out, ok := time.TzsetRule(test.in)
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if r != test.r || out != test.out || ok != test.ok {
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t.Errorf("tzsetName(%q) = %#v, %q, %t, want %#v, %q, %t", test.in, r, out, ok, test.r, test.out, test.ok)
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}
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}
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}
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